<?php
namespace App\MyClasses;

/* USAGE IN CLASS

--START OF FILE
use App\MyClasses\TimeLogger;

--START OF METHOD
$a=new TimeLogger("method XXX start");
Log::info($a->getStartMessage());

--END OF METHOD
Log::info($a->getEndMessage());
*/

class TimeLogger
{
	public $startTime;
    public $pkey;
    public $functionName;

	public function __construct($_functionName) {
    	$this->startTime = microtime(true);
    	$this->functionName =$_functionName;
    	$this->pkey="".rand(1000,9999);
  	}

    public function getStartMessage() {
    	return "[CLOCK] [".$this->pkey."-".$this->functionName."] [started]";    	
    }

	public function getEndMessage() {
        $time= ( microtime(true) - $this->startTime);
	    $timestr=number_format( $time, 4);

		$retval="[CLOCK] [".$this->pkey."-". $this->functionName."] [ended] [elapsed: ".$timestr."]";
        if ($time > 1.5) {
            $retval=$retval." [PERFORMANCE_WARNING]";
        }

		return $retval;
	}
}